87825885

素因数分解:

$3^1\times 5^1\times 7^2\times {\mathrm{19}}^2\times {\mathrm{331}}^1$

素因数の和:391

約数の個数: 72

約数和(自身を含む): 173041056

約数和(自身を除く): 85215171

約数列:

[1, 3, 5, 7, 15, 19, 21, 35, 49, 57, 95, 105, 133, 147, 245, 285, 331, 361, 399, 665, 735, 931, 993, 1083, 1655, 1805, 1995, 2317, 2527, 2793, 4655, 4965, 5415, 6289, 6951, 7581, 11585, 12635, 13965, 16219, 17689, 18867, 31445, 34755, 37905, 44023, 48657, 53067, 81095, 88445, 94335, 119491, 132069, 220115, 243285, 265335, 308161, 358473, 597455, 660345, 836437, 924483, 1540805, 1792365, 2509311, 4182185, 4622415, 5855059, 12546555, 17565177, 29275295, 87825885]

約数ペア:

[(1, 87825885), (3, 29275295), (5, 17565177), (7, 12546555), (15, 5855059), (19, 4622415), (21, 4182185), (35, 2509311), (49, 1792365), (57, 1540805), (95, 924483), (105, 836437), (133, 660345), (147, 597455), (245, 358473), (285, 308161), (331, 265335), (361, 243285), (399, 220115), (665, 132069), (735, 119491), (931, 94335), (993, 88445), (1083, 81095), (1655, 53067), (1805, 48657), (1995, 44023), (2317, 37905), (2527, 34755), (2793, 31445), (4655, 18867), (4965, 17689), (5415, 16219), (6289, 13965), (6951, 12635), (7581, 11585)]